211034819 has 2 divisors, whose sum is σ = 211034820. Its totient is φ = 211034818.

The previous prime is 211034801. The next prime is 211034851. The reversal of 211034819 is 918430112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211034819 - 2¹² = 211030723 is a prime.

It is a super-2 number, since 2×211034819² = 89071389660725522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211034791 and 211034800.

It is not a weakly prime, because it can be changed into another prime (211034869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105517409 + 105517410.

It is an arithmetic number, because the mean of its divisors is an integer number (105517410).

Almost surely, 2^211034819 is an apocalyptic number.

211034819 is a deficient number, since it is larger than the sum of its proper divisors (1).

211034819 is an equidigital number, since it uses as much as digits as its factorization.

211034819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 211034819 is about 14527.0375163004. The cubic root of 211034819 is about 595.3669266547.

The spelling of 211034819 in words is "two hundred eleven million, thirty-four thousand, eight hundred nineteen".